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Finding the Fourth Proportional to 197,472.76, 296,152.56 and 64,364.66

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Solution

The fourth proportional to 197,472.76, 296,152.56 and 64,364.66 is: 96,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,472.76 : 296,152.56 = 64,364.66 : x
  2. Step 2: Convert to fraction form
    197,472.76/296,152.56 = 64,364.66/x
  3. Step 3: Cross multiply
    197,472.76x = 296,152.56 × 64,364.66
  4. Step 4: Simplify right side
    197,472.76x = 19,061,758,832.53
  5. Step 5: Solve for x
    x = 19,061,758,832.53/197,472.76
  6. Step 6: Final answer
    x = 96,528.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.